no
the rivers
It allowed them to specialize and develop new trades and disciplines.
the rivers
the rivers
It helped by evolving into currencies and the present day marketing
By ralding nearby villages for extra food
They began to produce surpluses which provided the ability to develop civilisations.
Without a surplus, life was just a struggle for survival. A surplus could subsidise and sustain building and culture.
Paid farmers to destroy surpluses.
How does the price system respond to surpluses and shortages? In: Economics [Edit categories]
A growth in population